CN213746760U - Combined heating system for cold air of incinerator, cold air of garbage storage pit and raw leachate - Google Patents
Combined heating system for cold air of incinerator, cold air of garbage storage pit and raw leachate Download PDFInfo
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- CN213746760U CN213746760U CN202022050516.0U CN202022050516U CN213746760U CN 213746760 U CN213746760 U CN 213746760U CN 202022050516 U CN202022050516 U CN 202022050516U CN 213746760 U CN213746760 U CN 213746760U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model relates to an burn burning furnace cold wind, rubbish storage pit cold wind and filtration liquid stoste combined heating system, include by the hydrophobic heating section, the first air heater that low pressure steam heating section and high pressure steam heating section constitute, the hydrophobic export of high pressure steam heating section passes through flash tank and the hydrophobic female union coupling of low pressure saturation, the hydrophobic export and the hydrophobic female union coupling of low pressure saturation of low pressure steam heating section, the hydrophobic female pipe of low pressure saturation respectively with the hydrophobic import of hydrophobic heating section, the high temperature medium import of filtration liquid heat exchanger and the hydrophobic access connection of rubbish storage pit cold wind heater, the hydrophobic export of hydrophobic heating section, the high temperature medium export of filtration liquid heat exchanger and the hydrophobic export and the hydrophobic female union coupling of supercooling of rubbish storage pit cold wind heater, the utility model discloses a system economic nature is good.
Description
Technical Field
The utility model relates to a waste incineration power plant equipment technical field, concretely relates to burn burning furnace cold wind, rubbish storage pit cold wind and filtration liquid stoste combined heating system.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
A conventional primary air and secondary air heating system of a waste incineration power plant adopts high-pressure and low-pressure steam for heating, a steam-air preheater is respectively a two-section type (a high-pressure steam heating section and a low-pressure steam heating section) and a one-section type (a low-pressure steam heating section), and a hydrophobic heating section is not arranged; the inventor finds that the high-pressure and low-pressure saturated drain is connected to the deaerator through the regulating valve in an assembling mode, the pressure of the deaerator is low, the drain needs to be reduced through the regulating valve, and steam-water two-phase flow is easy to occur after the pressure of the saturated drain is reduced, so that the vibration of a pipeline is increased, and the safety of the pipeline and the deaerator is endangered. In addition, the regulating valve has a large regulating pressure range, which causes the difficulty of equipment manufacture and the price rise. The hydrophobic temperature is above 200 ℃, and the full utilization of energy cannot be realized.
The garbage collected in winter is very easy to freeze, after the garbage is put into the garbage storage pit, the temperature in the pit is equal to the outdoor temperature, the frozen garbage is not easy to melt, and the heat value of the garbage entering the furnace is adversely affected. In order to ensure the sustainable fermentation of the garbage in the garbage storage pit in winter, the garbage storage pit needs to be optimally designed, a garbage storage pit heating and unfreezing system is added on the original basis, so that the garbage in the garbage storage pit in winter can be normally fermented, the heat value of the garbage meets the requirement of an incinerator, and the stable operation of the whole winter garbage incineration power plant is ensured. The inventor finds that the effect is not good through practice verification by the commonly used technology that the furnace wall cooling hot air is led to the garbage storage pit for heating and unfreezing. The main reasons are that the air quantity of the cooling air of the furnace wall is small, the heat is low, and the heat requirement of heating and unfreezing the garbage in winter can not be met.
Leachate stock solution collected in the leachate tank contains a large amount of microorganisms, and in order to ensure good fermentation of garbage in the garbage storage pit, a part of leachate needs to be sprayed back to the garbage storage pit. The inventor finds that the leachate stock solution in winter is low in temperature and poor in microbial activity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art, providing a combined heating system for the cold air of the incinerator, the cold air of the garbage storage pit and the stock solution of the percolate, and improving the economical efficiency of the unit.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
in a first aspect, the embodiment of the utility model provides an burn burning furnace cold wind, rubbish storage pit cold wind and leachate stoste combined heating system, include by the hydrophobic heating section, the first air heater that low pressure steam heating section and high pressure steam heating section constitute, the hydrophobic export of high pressure steam heating section passes through flash tank and the hydrophobic female union coupling of low pressure saturation, the hydrophobic export and the hydrophobic female union coupling of low pressure saturation of low pressure steam heating section, the hydrophobic female pipe of low pressure saturation respectively with the hydrophobic import of hydrophobic heating section, the high temperature medium import of leachate heat exchanger and the hydrophobic access connection of rubbish storage pit cold wind heater, the hydrophobic export of hydrophobic heating section, the high temperature medium export of leachate heat exchanger and the hydrophobic export and the hydrophobic female union coupling of supercooling of rubbish storage pit cold wind heater.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the air inlet of the first air preheater is connected to the primary cold air supply mechanism, and the air outlet is connected to the incinerator.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the leachate inlet of the leachate heat exchanger is connected with the landfill leachate collecting tank through the leachate pump, the landfill leachate collecting tank is connected with the landfill storage pit, and the leachate outlet is connected with the landfill storage pit.
Combine the first aspect, the embodiment of the utility model provides a possible implementation mode of the first aspect, be equipped with the tee bend on the pipeline between the filtration liquid import of filtration liquid pump and filtration liquid heat exchanger, three-way wherein two ports respectively with filtration liquid pump and filtration liquid heat exchanger's filtration liquid access connection, the third port is connected with filtration liquid processing station.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, an air inlet of the cold air heater of the garbage storage pit is connected to the cold air supply mechanism of the garbage storage pit, and an air outlet is connected to the garbage storage pit.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the combined heating system for cold air in the incinerator, cold air in the garbage storage pit and raw leachate further includes a second air preheater, the second air preheater includes a hydrophobic heating section and a low-pressure steam heating section, a hydrophobic inlet of the hydrophobic heating section of the second air preheater is connected with the low-pressure saturated hydrophobic female pipe, a hydrophobic outlet is connected with the super-cooled hydrophobic female pipe, and a hydrophobic outlet of the low-pressure steam heating section of the second air preheater is connected with the low-pressure saturated hydrophobic female pipe.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, the air inlet of the second air preheater is connected to the secondary cold air supply mechanism, and the air outlet is connected to the incinerator.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein the super-cooling drainage main pipe is connected with the deaerator through a first pipeline provided with a control valve set.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, and the supercooling drainage main pipe is further connected to the blowdown flash tank through a second pipeline installed with a switch valve.
In combination with the first aspect, embodiments of the present invention provide a possible implementation manner of the first aspect, wherein a sampling branch pipe is disposed on the super-cooled hydrophobic main pipe.
Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:
1. the utility model discloses a heating system, first air heater and second air heater all are equipped with hydrophobic heating section, utilize the hydrophobic female pipe of low pressure saturation's low pressure saturated drainage to heat cold wind for the high-pressure steam and the low-pressure steam extraction volume of heating cold wind reduce in a large number, make the increase of exerting oneself of boiler and steam turbine, the generated energy increases, and unit economy improves.
2. The utility model discloses a heating system, filtration liquid water heat exchanger and rubbish storage pit cold wind heater, utilize low pressure saturated drainage to thaw cold wind and filtration liquid stock solution to required temperature to the rubbish storage pit respectively, make the rubbish in the rubbish storage pit in winter unfreeze and normally ferment, make the calorific value of rubbish satisfy the requirement of burning furnace, guarantee whole waste incineration power plant steady operation in winter, compare in conventional furnace wall cooling air return spray heating system, this system low pressure saturated drainage volume is great, extract from low pressure saturated drainage female pipe, can adjust the drainage volume that is used for the heating as required, satisfy the heat demand that the rubbish heating thawed in winter.
2. In the system, saturated drainage in a low-pressure saturated drainage main pipe heats primary cold air, secondary cold air, cold air of a garbage storage pit and leachate stock solution, and is supercooled, when the pressure is reduced to the working pressure of a deaerator, a steam-water two-phase flow state cannot occur, the vibration of a pipeline is eliminated, and the operation safety of the pipeline, a valve and the deaerator is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
wherein, 1, a first air preheater, 1, a first drainage heating section, 1, 2, a first low-pressure steam heating section, 1, 3, a high-pressure steam heating section, 2, an incinerator, 3, an air duct, 4, a primary fan, 5, a primary air silencer, 6, a low-pressure steam pipeline, 7, an adjusting valve group, 8, a high-pressure steam pipeline, 9, a saturated drainage pipeline, 10, a low-pressure saturated drainage main pipe, 11, a drainage valve group, 12, a flash tank, 13, a connecting pipeline, 14, a second air preheater, 14, 1, a second drainage heating section, 14, 2, a second low-pressure steam heating section, 15, a secondary fan, 16, a secondary air silencer, 17, a supercooling drainage pipeline, 18, a supercooling drainage main pipe, 19, a leachate heat exchanger, 20, a leachate pipeline, 21, a leachate tank, 22, a garbage storage pit, 23, a leachate treatment station, 24. the system comprises a cold air heater of a garbage storage pit, 25 parts of a blower of the garbage storage pit, 26 parts of a cold air silencer, 27 parts of a first pipeline, 28 parts of a deaerator, 29 parts of a control valve group, 30 parts of a second pipeline, 31 parts of a pollution discharge flash tank and 32 parts of a sampling branch pipe.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As introduced by the background art, the existing waste incineration power plant unit has low economy, and in order to solve the problems, the application provides a combined heating system for cold air of the incinerator, cold air of the waste storage pit and raw liquor of percolate.
In example 1, an exemplary embodiment of the present application, as shown in fig. 1, an incinerator cold air, landfill cold air, and leachate stock solution combined heating system, includes a first air preheater 1, the first air preheater comprises three sections, namely a first hydrophobic heating section 1-1, a first low-pressure steam heating section 1-2 and a high-pressure steam heating section 1-3 which are sequentially arranged, the air inlet of the first air preheater is connected with a primary cold air supply mechanism through an air duct 3, the air outlet of the primary cold air supply mechanism is connected with the incinerator 2 through an air duct, the primary cold air supply mechanism comprises a primary fan 4, the primary air fan can pump out primary air above the garbage storage pit, the primary air passes through the first air preheater and then is heated to about 220 ℃, then the waste gas enters an incinerator, and the primary fan is connected with a primary air silencer 5 for reducing noise during working.
The low-pressure steam inlet of first low-pressure steam heating section can be connected with the low-pressure steam source through low-pressure steam pipe 6, in this embodiment, the low-pressure steam source is the steam turbine, and the low-pressure steam that extracts from the steam turbine can get into first low-pressure steam heating section through the low-pressure steam pipe, heats primary cold wind, be provided with governing valve group 7 on the low-pressure steam pipe for adjust the flow of low-pressure steam.
The high pressure steam inlet of high pressure steam heating section can be connected with the high pressure steam source through high pressure steam pipeline 8, in this embodiment, the high pressure steam source adopts the boiler drum, and the high pressure steam of boiler drum extraction can get into the high pressure steam heating section through steam conduit, heats primary cold wind, be provided with the governing valve group on the high pressure steam pipeline for adjust high pressure steam's flow.
First low pressure steam heating section is provided with hydrophobic export, and hydrophobic export is connected with low pressure saturation hydrophobic female pipe 10 through saturated hydrophobic pipeline 9, and the low pressure saturation that produces in the first low pressure steam heating section after the heat transfer is hydrophobic can get into low pressure saturation hydrophobic female pipe through saturated hydrophobic pipeline, be provided with hydrophobic valves 11 on the saturated hydrophobic pipeline for switching on and closing of control saturated hydrophobic pipeline.
The high pressure steam heating section is provided with the hydrophobic export, the hydrophobic export is connected with the water inlet of flash tank 12 through saturated hydrophobic pipeline, the delivery port of flash tank passes through the stop valve and is connected with the hydrophobic female pipe of low pressure saturation, is provided with the trap valve group on the saturated hydrophobic pipeline between high pressure steam heating section hydrophobic export and the flash tank for control closing and opening of saturated hydrophobic pipeline, the flash tank is connected with low pressure steam pipe through the connecting tube 13 of installing the stop valve for the operating pressure and the low pressure steam of flash tank keep unanimous. High-pressure saturated drainage generated by heat exchange in the high-pressure steam heating section enters a flash tank after passing through a drainage valve group, the operating pressure of the flash tank is consistent with that of low-pressure steam, the high-pressure saturated drainage is subjected to pressure reduction flash expansion in a flash pipe, secondary steam of flash evaporation is connected into a low-pressure steam pipeline, and the drainage after flash evaporation enters a low-pressure saturated drainage main pipe.
The combined heating system for the cold air of the incinerator, the cold air of the garbage storage pit and the leachate stock solution further comprises a second air preheater 14, the second air preheater comprises a second hydrophobic heating section 14-1 and a second low-pressure steam heating section 14-2, an air inlet of the second air preheater is connected with a secondary cold air supply mechanism through an air duct 3, and an air outlet of the second air preheater is connected with the incinerator through an air duct.
The secondary cold air supply mechanism comprises a secondary air fan 15, the secondary air fan can extract secondary air from the upper part of the incineration workshop and send the secondary air into the second air preheater, the second air preheater heats the secondary air to about 220 ℃ and then sends the secondary air into the incineration furnace, and the secondary air fan is connected with a secondary air silencer 16 and used for reducing noise generated during working.
The low pressure steam inlet of second low pressure steam heating section passes through the low pressure steam pipeline and is connected with the low pressure steam source, in this embodiment, the low pressure steam source adopts the steam turbine, is equipped with the governing valve group on the low pressure steam pipeline for adjust the flow of low pressure steam in the low pressure steam pipeline, the low pressure steam that the steam turbine extracted gets into second low pressure steam heating section behind the governing valve group, heats secondary cold wind.
The second low pressure steam heating section is equipped with hydrophobic outlet, and hydrophobic outlet passes through saturated drain pipe 9 to be connected with low pressure saturation drainage female pipe 10, is provided with hydrophobic valves 11 on the saturated drain pipe, and the low pressure saturation that second low pressure steam heating section produced after the heat transfer is hydrophobic to flow into low pressure saturation drainage female pipe behind hydrophobic valves.
The low-pressure saturated drainage main pipe is divided into four paths.
One path of the first hydrophobic heating section is connected with a hydrophobic inlet of the first hydrophobic heating section and used as a heating medium of the first hydrophobic heating section to heat primary cold air, a hydrophobic outlet of the first hydrophobic heating section is connected with a supercooling hydrophobic main pipe 18 through a supercooling hydrophobic pipeline 17 provided with a stop valve, the low-pressure saturated hydrophobic temperature after heat exchange is reduced to be more than 130 ℃, and the primary supercooling hydrophobic pipe enters the supercooling hydrophobic main pipe after self supercooling.
The second path is connected with a drain inlet of the second hydrophobic heating section and used as a heating medium of the second hydrophobic heating section to heat secondary cold air, a drain outlet of the second hydrophobic heating section is connected with the main supercooled hydrophobic pipe through a supercooled hydrophobic pipeline 17 provided with a stop valve, the low-pressure saturated hydrophobic temperature after heat exchange is reduced to be more than 130 ℃, and the super-cooled hydrophobic pipe enters the main supercooled hydrophobic pipe after self supercooling.
The low-pressure saturated drainage of the low-pressure saturated drainage main pipe is utilized to heat the cold air, the high-pressure steam and low-pressure steam extraction amount for heating the cold air are greatly reduced, the output of a boiler and a steam turbine is increased, the generated energy is increased, and the unit economy is improved.
The third route passes through the stop valve and is connected with the high temperature medium entry of filtration liquid heat exchanger, and the high temperature medium export of filtration liquid heat exchanger 19 is connected with the hydrophobic female pipe of supercooling through the hydrophobic pipeline of supercooling of installing the stop valve, and the low pressure saturation is hydrophobic as the high temperature medium of filtration liquid heat exchanger, can carry out the heat exchange with the filtration liquid that flows into filtration liquid heat exchanger, heats filtration liquid.
The percolate inlet of the percolate heat exchanger is connected with a percolate pool 21 through a percolate pipeline 20 provided with a percolate pump, the percolate pool is connected with a garbage storage pit 22, and the percolate outlet of the percolate heat exchanger is connected with the garbage storage pit through a percolate pipeline provided with a stop valve.
And a three-way valve is further arranged on the percolate pipeline between the percolate pump and the percolate heat exchanger, two ports of the three-way valve are respectively connected with the percolate pump and the percolate heat exchanger, and the third port is connected with the percolate treatment station 23.
The leachate generated by the garbage storage pit can flow into a leachate pool to be collected, under the action of a leachate pump, one part of the leachate in the leachate pool is subjected to leachate treatment station through a tee joint to enter harmless treatment, the other part of the leachate enters a leachate heat exchanger, low-pressure saturated hydrophobic is used for heating to 45-60 ℃, the heated leachate can flow back to the garbage storage pit through a leachate pipeline, the leachate is used for heating, unfreezing and fermenting the garbage, the leachate is heated, the activity of microorganisms in the leachate can be improved, and the fermentation effect is ensured.
The garbage storage pit is also connected with an air outlet of a cold air heater 24 of the garbage storage pit through an air duct, an air inlet of the cold air heater of the garbage storage pit is connected with a cold air supply mechanism of the garbage storage pit through the air duct, the cold air supply mechanism of the garbage storage pit comprises a garbage storage pit air blower 25, the garbage storage pit air blower can send cold air of the garbage storage pit in a garbage unloading hall into the cold air heater of the garbage storage pit, after the cold air is heated to 60-70 ℃, the cold air is blown into the garbage storage pit in multiple paths near a garbage unloading door of the garbage storage pit to heat and unfreeze garbage in the garbage storage pit, and the garbage storage pit air blower is connected with a cold air silencer 26 for reducing noise during working.
The fourth path of the low-pressure saturated drainage main pipe is connected with a drainage inlet of the cold air heater of the garbage storage pit, and a stop valve is arranged on the pipeline and used for controlling the connection and the closing of the pipeline. The low-pressure saturated drain is used as a high-temperature medium of the cold air heater of the garbage storage pit to heat the cold air of the garbage storage pit. And a drain outlet of the cold air heater of the garbage storage pit is connected with the super-cooling drain main pipe through a stop valve, and the drain after heat exchange can flow into the super-cooling drain main pipe.
This leachate water heat exchanger and rubbish storage pit cold air heater of implementing, utilize low pressure saturation drainage to rubbish storage pit cold air and leachate heating to required temperature respectively, make the rubbish in the rubbish storage pit in winter unfreeze and normally ferment, the calorific value that makes rubbish satisfies the requirement of burning furnace, guarantee whole winter waste incineration power plant steady operation, compare in conventional furnace wall cooling air return spray heating system, the low pressure saturation drainage volume of this embodiment system is great, extract on the hydrophobic female pipe of low pressure saturation, can adjust the drainage volume that is used for the heating as required, satisfy the heat demand that the rubbish heating unfreezes in winter.
The end of the super-cooling drainage female pipe is connected with a deaerator 28 through a first pipeline 27, a control valve group 29 is arranged on the first pipeline and used for controlling the conduction and the closing of the first pipeline, the end of the super-cooling drainage female pipe is connected with a pollution discharge flash tank 31 through a second pipeline 30, a switch valve is arranged on the second pipeline and used for controlling the conduction and the closing of the second pipeline, and the switch valve adopts a stop valve.
Set up sample branch pipe 32 on the hydrophobic female pipe of subcooling in first pipeline and second pipeline the place ahead, be equipped with the stop valve on the sample branch pipe.
The supercooling drainage main pipe is converged with drainage with the temperature of more than 130 ℃, a worker can sample the drainage through the sampling branch pipe, the control valve group is opened and the switch valve is closed when the sampling detection and the drainage quality are qualified, the drainage enters the deaerator through the control valve group, the control valve group is closed and the switch valve is opened when the drainage quality is unqualified, and the drainage flows into the sewage discharge flash tank.
In the system, the low-pressure saturated drainage heats the primary air, the secondary air, the cold air of the garbage storage pit and the percolate, the primary air, the secondary air, the cold air of the garbage storage pit and the percolate are supercooled, when the pressure is reduced to the working pressure of the deaerator, the steam-water two-phase flow state cannot occur, the pipeline vibration is eliminated, and the operation safety of the pipeline, the valve and the deaerator is improved.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The combined heating system for the cold air of the incinerator, the cold air of the garbage storage pit and the leachate stock solution is characterized by comprising a first air preheater which is composed of a hydrophobic heating section, a low-pressure steam heating section and a high-pressure steam heating section, wherein a hydrophobic outlet of the high-pressure steam heating section is connected with a low-pressure saturated hydrophobic main pipe through a flash tank, a hydrophobic outlet of the low-pressure steam heating section is connected with the low-pressure saturated hydrophobic main pipe, the low-pressure saturated hydrophobic main pipe is respectively connected with a hydrophobic inlet of the hydrophobic heating section, a high-temperature medium inlet of a leachate heat exchanger and a hydrophobic inlet of a cold air heater of the garbage storage pit, and a hydrophobic outlet of the hydrophobic heating section, a high-temperature medium outlet of the leachate heat exchanger and a hydrophobic outlet of the cold air heater of the garbage storage pit are connected with a super-cooling hydrophobic main pipe.
2. The system of claim 1, wherein the first air preheater has an inlet connected to a primary air supply and an outlet connected to the incinerator.
3. The combined incinerator cold blast, landfill sump cold blast and leachate stock heating system of claim 1, wherein the leachate inlet of said leachate heat exchanger is connected to a leachate collection tank via a leachate pump, the leachate collection tank is connected to a landfill sump, and the leachate outlet is connected to a landfill sump.
4. The combined heating system for cold air from an incinerator, cold air from a refuse storage pit and raw leachate from a leachate plant as claimed in claim 3, wherein a tee is provided on the pipeline between the leachate pump and the leachate inlet of the leachate heat exchanger, two ports of the tee are connected to the leachate inlet of the leachate pump and the leachate heat exchanger, respectively, and the third port is connected to the leachate treatment station.
5. The combined heating system for cold air of an incinerator, cold air of a garbage storage pit and raw leachate, as claimed in claim 1, wherein an air inlet of the cold air heater of the garbage storage pit is connected to the cold air supply mechanism of the garbage storage pit, and an air outlet thereof is connected to the garbage storage pit.
6. The combined heating system for incinerator cold air, landfill cold air and percolate stock solution as claimed in claim 1, further comprising a second air preheater, the second air preheater comprising a hydrophobic heating section and a low pressure steam heating section, the hydrophobic inlet of the hydrophobic heating section of the second air preheater being connected to the low pressure saturated hydrophobic main pipe, the hydrophobic outlet being connected to the super cooled hydrophobic main pipe, the hydrophobic outlet of the low pressure steam heating section of the second air preheater being connected to the low pressure saturated hydrophobic main pipe.
7. The system of claim 6, wherein the air inlet of the secondary air preheater is connected to the secondary air supply mechanism and the air outlet is connected to the incinerator.
8. The combined heating system for cold air of an incinerator, cold air of a garbage storage pit and raw leachate, as claimed in claim 1, wherein the super-cooled drain header is connected to the deaerator through a first pipeline equipped with a control valve set.
9. The combined incinerator cold air, landfill cold air and leachate stock solution heating system of claim 8, wherein said super cooled trap header is further connected to a blowdown flash tank through a second line fitted with a switch valve.
10. The combined heating system for incinerator cold air, landfill cold air and leachate stock solution of claim 9, wherein said super cooled drain header is provided with a sampling branch pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022050516.0U CN213746760U (en) | 2020-09-17 | 2020-09-17 | Combined heating system for cold air of incinerator, cold air of garbage storage pit and raw leachate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022050516.0U CN213746760U (en) | 2020-09-17 | 2020-09-17 | Combined heating system for cold air of incinerator, cold air of garbage storage pit and raw leachate |
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| CN213746760U true CN213746760U (en) | 2021-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854348A (en) * | 2022-12-08 | 2023-03-28 | 中节能(象山)环保能源有限公司 | Intelligent heating system for waste incineration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854348A (en) * | 2022-12-08 | 2023-03-28 | 中节能(象山)环保能源有限公司 | Intelligent heating system for waste incineration |
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